“抛物线的标准方程”是苏教版高中《数学》选修2-1的教学内容。在教学这节课时,张昌盛老师以他独特的语言魅力,为学生营造和谐、灵动的对话空间,激发学生智慧的“火花”。现在就让我们一起走进张老师灵动、智慧的课堂,共同感悟一次美妙的对话旅程。[片段一]课前“热身”——为对话创造和谐的氛围师:同学们,上课之前请大家先猜两个谜语,好吗?生(众):好!师:谜底都是水果。第一个谜面 “The standard equation of parabola ” is the teaching content of 2-1 of the “Mathematics” of Sujiao High School. In teaching this lesson, Zhang Changsheng teacher with his unique language charm, for students to create a harmonious and agile dialogue space, to stimulate student intelligence “Spark ”. Now let us walk into the wonderful and intelligent classroom of Teacher Zhang to jointly feel a wonderful dialogue journey. [Fragment one] before class “warm-up ” - to create a harmonious atmosphere for the dialogue Teachers: classmates, please guess two riddles before class, okay? Students (all): good! . The first mystery